Apple-2-HW/Apple2-IO-RPi
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Fix page error in command

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This commit is contained in:
Terence Boldt 2021-03-28 11:34:07 -04:00
parent 6576395b3f
commit cf9ff791fc
1 changed files with 5 additions and 6 deletions
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11
Apple2/CommandFirmware.asm
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@ -51,7 +51,7 @@ Start:
lda #$a4
sta $33
GetCommand:
jsr $fd6a
jsr $fd67
lda $0200
cmp #$8d ;stop when return found
beq ExitApp
@ -66,7 +66,6 @@ ExitApp:
rts
DumpOutput:
ldx #$50
lda #$05 ;send command 5 = exec
jsr SendByte
ldy #$00
@ -100,19 +99,19 @@ waitWrite:
bcs waitWrite
pla
sta OutputByte
lda #$0e ; set bit 0 low to indicate write started
lda #$1e ; set bit 0 low to indicate write started
sta OutputFlags
finishWrite:
lda InputFlags
rol
rol
bcc finishWrite
lda #$0f
lda #$1f
sta OutputFlags
rts
GetByte:
lda #$0d ;set read flag low
lda #$1d ;set read flag low
sta OutputFlags
waitRead:
lda InputFlags
@ -120,7 +119,7 @@ waitRead:
bcs waitRead
lda InputByte
pha
lda #$0f ;set all flags high
lda #$1f ;set all flags high
sta OutputFlags
finishRead:
lda InputFlags